{% load my_tags %}
{% get_categorizes as categorizes %}
<nav class="navbar navbar-default">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">Brand</a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li class="active"><a href="{% url 'main:index' %}">首页 <span class="sr-only">(current)</span></a></li>
                {% for c in categorizes %}
                    {% if c.children %}
                        <li class="dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button"
                               aria-haspopup="true" aria-expanded="false">{{ c }} <span class="caret"></span></a>
                            <ul class="dropdown-menu">
                                {% for c2 in c.children.all %}
                                    <li><a href="{% url 'main:index' %}?categorizes={{ c2.id }}">{{ c2 }}</a></li>
                                {% endfor %}

                            </ul>
                        </li>
                    {% else %}
                        <li><a href="#">{{ c }}</a></li>
                    {% endif %}
                {% endfor %}


            </ul>
            <form class="navbar-form navbar-left" method="get" action="/search" target="_blank">
                <div class="form-group">
                    <input type="text" class="form-control" placeholder="Search" name="q">
                </div>
                <button type="submit" class="btn btn-default" value="查询">Submit</button>
            </form>
            <ul class="nav navbar-nav navbar-right">

                {% if request.user.is_authenticated %}
                    <li><a href="{% url 'user:create_article' %}">写文章</a></li>

                    <li class="dropdown">
                        <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
                           aria-expanded="false">{{ request.user.username }} <span class="caret"></span></a>
                        <ul class="dropdown-menu">
                            <li><a href="{% url 'user:center' %}">个人中心</a></li>
                            <li><a href="{% url 'user:article_list' %}">内容管理</a></li>
                            <li><a href="{% url 'user:change_password' %}">修改密码</a></li>
                            <li><a href="{% url 'user:change_head' %}">修改头像</a></li>
                            <li><a href="{% url 'user:change_username' %}">修改用户名</a></li>

                            <li role="separator" class="divider"></li>
                            <li><a href="{% url 'user:logout' %}">退出</a></li>
                        </ul>
                    </li>
                {% else %}
                    <li><a href="{% url 'user:login' %}">登录</a></li>
                    <li><a href="{% url 'user:register' %}">注册</a></li>
                {% endif %}


            </ul>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>